import { v4 as uuidv4 } from 'uuid';

export const getUUID = ()=> {
   let uuid_token = localStorage.getItem('UUIDTOKEN');
   if(!uuid_token){
       // 我生成游客临时身份
      uuid_token = uuidv4();
      //本地存储存储一次
      localStorage.setItem('UUIDTOKEN', uuid_token);
   }
   return uuid_token;
};
